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DD-4936 ITEM 2 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922, temp_rating: 200.0 FAHRENHEIT NOMINAL DEGF, pressure_rating: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, material_document_and_classification: ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-284-8278, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
DD-4936 ITEM 2
NSN: 4820-01-284-8278
FSC: 4820
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922
temp_rating200.0 FAHRENHEIT NOMINAL DEGF
pressure_rating100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
material_document_and_classificationASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-284-8278
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DD-4936 ITEM 2 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
PRESSURE RATING: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE
•
TEMP RATING: 200.0 FAHRENHEIT NOMINAL DEGF
•
MATERIAL: COPPER ALLOY 922
TECHNICAL CHARACTERISTICS
PRESSURE RATING100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE
TEMP RATING200.0 FAHRENHEIT NOMINAL DEGF
MATERIALCOPPER ALLOY 922
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
904-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3Z12050-5-22InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
47511InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C3072-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AR42B2D28InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21277InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4936 ITEM 2?
DD-4936 ITEM 2 is a DISK,VALVE.
What parts can replace DD-4936 ITEM 2?
There are 18 known substitutes for DD-4936 ITEM 2: 904-8, 3Z12050-5-22, 47511 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4936 ITEM 2?
DD-4936 ITEM 2 is cataloged in the Federal Logistics Information System under NSN 4820-01-284-8278. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026